820127046 has 32 divisors (see below), whose sum is σ = 1695754368. Its totient is φ = 264257280.

The previous prime is 820127027. The next prime is 820127071. The reversal of 820127046 is 640721028.

It is a super-2 number, since 2×820127046² = 1345216743161372232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8641 + ... + 41411.

It is an arithmetic number, because the mean of its divisors is an integer number (52992324).

Almost surely, 2^820127046 is an apocalyptic number.

820127046 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

820127046 is an abundant number, since it is smaller than the sum of its proper divisors (875627322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

820127046 is a wasteful number, since it uses less digits than its factorization.

820127046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32916.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 820127046 is about 28637.8603600199. The cubic root of 820127046 is about 936.0384987635.

The spelling of 820127046 in words is "eight hundred twenty million, one hundred twenty-seven thousand, forty-six".